A photo provided by Robert Levinson's family shows the retired FBI agent in captivity in April 2011. AP hide caption
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missing ex-FBI agent
A "proof of life" photo provided to the family of ex-FBI agent Robert Levinson in April 2011. Uncredited/AP hide caption
Robert Levinson, in the video his family received from the retired FBI-agent's captors. HelpBobLevinson.com hide caption